Vulnerability-Lookup

FKIE_CVE-2026-8620

Vulnerability from fkie_nvd - Published: 2026-05-26 18:16 - Updated: 2026-06-17 11:04

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

Summary

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.

References

	URL	Tags
	psirt@us.ibm.com	https://www.ibm.com/support/pages/node/7274072	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
ibm	websphere_application_server	*
ibm	websphere_application_server	*
ibm	websphere_application_server	*
ibm	websphere_application_server	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5.0:*:*:*:*:*:*:*"
          ],
          "product": "Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "Interim Fix 002",
              "status": "affected",
              "version": "8.5, 9.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "73767F57-89C3-4EB5-B090-5AE91589AD2E",
              "versionEndExcluding": "8.5.5.30",
              "versionStartIncluding": "8.5.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*",
              "matchCriteriaId": "37D2D42E-5CEF-4DDF-B0BF-3307A184A7B8",
              "versionEndExcluding": "8.5.5.30",
              "versionStartIncluding": "8.5.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "4AEFE5BE-FDBC-48B3-923A-BA86BC8FB7E5",
              "versionEndExcluding": "9.0.5.28",
              "versionStartIncluding": "9.0.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*",
              "matchCriteriaId": "A965982C-4634-40B2-8AE9-3C715261B1FA",
              "versionEndExcluding": "9.0.5.28",
              "versionStartIncluding": "9.0.0.0",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request."
    }
  ],
  "id": "CVE-2026-8620",
  "lastModified": "2026-06-17T11:04:13.733",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 4.7,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-8620",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-27T13:12:49.669182Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-26T18:16:56.350",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7274072"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ],
      "source": "psirt@us.ibm.com",
      "type": "Secondary"
    }
  ]
}

CVE-2026-8620 (GCVE-0-2026-8620)

Vulnerability from cvelistv5 – Published: 2026-05-26 17:15 – Updated: 2026-05-27 13:12

Title

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Assigner

ibm

References

1 reference

URL	Tags
https://www.ibm.com/support/pages/node/7274072	vendor-advisorypatch

Impacted products

1 product

Vendor	Product	Version
IBM	Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty	Affected: 8.5, 9.0 , ≤ Interim Fix 002 (semver) cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5:::::::* cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5.0:::::::*

Show details on NVD website

JSON

To clipboard

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  "containers": {
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-8620",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-27T13:12:49.669182Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-27T13:12:59.224Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5.0:*:*:*:*:*:*:*"
          ],
          "product": "Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "Interim Fix 002",
              "status": "affected",
              "version": "8.5, 9.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
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              "type": "text/html",
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
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      "problemTypes": [
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        }
      ],
      "solutions": [
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              "value": "\u003cp\u003eIBM strongly recommends addressing the vulnerability now by applying a currently available Web Server Plug-ins interim fix or fix pack that contains the fix for APAR PH71342.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eWeb Server Plug-ins for IBM WebSphere Application Server\u003c/strong\u003e (used with either WebSphere Application Server traditional or Liberty):\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V9.0.0.0 through 9.0.5.27:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Web Server Plug-ins Interim Fix that resolves\u0026nbsp;\u003ca href=\"https://www.ibm.com/support/pages/node/7273976\" rel=\"nofollow\"\u003ePH71342\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Web Server Plug-ins Fix Pack 9.0.5.28 or later (targeted availability 2Q2026).\u0026nbsp;\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V8.5.0.0 through 8.5.5.29:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by interim fix and then apply Web Server Plug-ins Interim Fix that resolves\u0026nbsp;\u003ca href=\"https://www.ibm.com/support/pages/node/7273976\" rel=\"nofollow\"\u003ePH71342\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Web Server Plug-ins Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eAdditional interim fixes may be available and linked off the interim fix download page.\u003c/p\u003e"
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        }
      ],
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    "datePublished": "2026-05-26T17:15:00.501Z",
    "dateReserved": "2026-05-14T18:19:54.491Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-8620

CVE-2026-8620 (GCVE-0-2026-8620)

Tags

Sightings

Nomenclature